Lints caller-submitted agent API, MCP, and x402 response samples for machine-act
Lints caller-submitted agent API, MCP, and x402 response samples for machine-actionable contract completeness without making network calls.
Answeringour last check, 2026-10-04
1 of 1checks answered this week
320 msmedian answer time
$0.01listed price per call
$0.01price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://api.blockchainmoneymap.com/api/x402/x402-response-contract-linter
| Category | Everything else |
|---|---|
| Provider host | api.blockchainmoneymap.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-04 | valid payment request | 402 | $0.01 | 320 ms |
Example input (from the provider)
{
"body": {
"lint_profile": "x402",
"response_sample": {
"confidence": "high",
"decision": "pass",
"endpoint": "x402-response-contract-linter",
"generated_at": "2026-07-21T12:00:00.000Z",
"limitations": [
"Example only."
],
"metadata": {
"paymentStatus": "not_required"
},
"product_family": "agent_expansion_v3_api",
"recommended_next_action": "Keep REST, MCP, OpenAPI, and discovery response fields stable.",
"request_id": "req_example",
"risk_flags": [],
"summary": "Example machine-actionable response.",
"tool_id": "x402_response_contract_linter",
"version": "v0.1",
"x402_request_id": "x402_req_example"
},
"tool_context": {
"currency": "USDC",
"endpoint_path": "/api/x402/wallet-snapshot",
"expected_price": "0.01",
"mcp_tool_name": "bmm_wallet_snapshot",
"network": "base",
"operation_id": "wallet_snapshot",
"tool_id": "wallet_snapshot"
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"lint_profile": {
"enum": [
"api",
"mcp",
"x402",
"auto"
],
"type": "string"
},
"response_sample": {
"type": "object"
},
"schema_sample": {
"type": "object"
},
"tool_context": {
"additionalProperties": false,
"properties": {
"currency": {
"enum": [
"USDC"
],
"type": "string"
},
"endpoint_path": {
"maxLength": 160,
"type": "string"
},
"expected_price": {
"maxLength": 32,
"type": "string"
},
"mcp_tool_name": {
"maxLength": 120,
"type": "string"
},
"network": {
"maxLength": 64,
"type": "string"
},
"operation_id": {
"maxLength": 120,
"type": "string"
},
"tool_id": {
"maxLength": 120,
"type": "string"
}
},
"type": "object"
}
},
"required": [
"response_sample"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"confidence": {
"enum": [
"high",
"medium",
"low"
],
"type": "string"
},
"decision": {
"enum": [
"pass",
"warn",
"fail",
"insufficient_context"
],
"type": "string"
},
"endpoint": {
"enum": [
"x402-response-contract-linter"
]
},
"findings": {
"items": {
"type": "object"
},
"type": "array"
},
"generated_at": {
"format": "date-time",
"type": "string"
},
"limitations": {
"items": {
"type": "string"
},
"type": "array"
},
"lint_profile": {
"enum": [
"api",
"mcp",
"x402"
],
"type": "string"
},
"metadata": {
"additionalProperties": false,
"properties": {
"paymentStatus": {
"type": "string"
}
},
"required": [
"paymentStatus"
],
"type": "object"
},
"pricePaid": {
"type": "object"
},
"product_family": {
"enum": [
"agent_expansion_v3_api"
]
},
"recommended_next_action": {
"type": "string"
},
"request_id": {
"type": "string"
},
"risk_flags": {
"items": {
"type": "string"
},
"type": "array"
},
"score": {
"maximum": 100,
"minimum": 0,
"type": "number"
},
"summary": {
"type": "string"
},
"tool_id": {
"enum": [
"x402_response_contract_linter"
]
},
"version": {
"enum": [
"v0.1"
]
},
"x402_request_id": {
"type": "string"
}
},
"required": [
"product_family",
"endpoint",
"tool_id",
"version",
"request_id",
"x402_request_id",
"generated_at",
"decision",
"confidence",
"summary",
"risk_flags",
"recommended_next_action",
"limitations",
"metadata",
"lint_profile",
"score",
"findings"
],
"type": "object"
},
"type": {
"enum": [
"json"
],
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}